4840940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{433}}^1$

素因数の和:498

約数の個数: 48

約数和(自身を含む): 11228448

約数和(自身を除く): 6387508

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 172, 215, 260, 430, 433, 559, 860, 866, 1118, 1732, 2165, 2236, 2795, 4330, 5590, 5629, 8660, 11180, 11258, 18619, 22516, 28145, 37238, 56290, 74476, 93095, 112580, 186190, 242047, 372380, 484094, 968188, 1210235, 2420470, 4840940]

約数ペア:

[(1, 4840940), (2, 2420470), (4, 1210235), (5, 968188), (10, 484094), (13, 372380), (20, 242047), (26, 186190), (43, 112580), (52, 93095), (65, 74476), (86, 56290), (130, 37238), (172, 28145), (215, 22516), (260, 18619), (430, 11258), (433, 11180), (559, 8660), (860, 5629), (866, 5590), (1118, 4330), (1732, 2795), (2165, 2236)]